US2951430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic printing machine
Assignee: ROLOC Inc
•
Filing: 1957-09-26
•
Granted: 1960-09-06
•
Expires: 1977-09-26
Abstract
No abstract record available.
Inventors
- 👤 Robert H Dumke
- 👤 Raymond E Bodendoerfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:20
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/18; G03B27/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734435A
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US795470A
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US2420023A
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US2557182A
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US2625851A
Cited
US2672080A
Cited
US2774289A
Cited
US2869447A
Cited
US2826976A
Cited
US2721507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |